Model reference

Whirlpool YMEDB850WB1

Dryer

5 documents25 error codes4 service modes

Available documentation

Tech Sheet

Tech Sheet - W10156735A16 pg
Covers this model

Service Flash

Motor Pulley Comes Loose2 pg
Covers this model
Special Handling for W102017853 pg
Covers this model

Tech Tip

Instruction Sheet2 pg
Covers this model

Installation Guide

Instrucciones de instalacion17 pg
Covers this model

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AF on my Whirlpool YMEDB850WB1

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Restricted air flow condition exists.

From Tech Sheet W18317488, p.20:

1.Access service mode to confirm the active fault code and read stored error history.

2.Measure control board supply voltage at test points. Expected: 12 VDC and 5 VDC.

3.Inspect all connectors on the main control for corrosion or backed-out pins.

Part WPW10804018

Electronic control board

Error codes (25)

CodeMeaning

AFRestricted air flow condition exists.F:01Primary control failure.F:02Stuck button or user interface mismatch (only appears in diagnostic test mode).F:20No voltage detected at the heater relay (only appears in diagnostic test mode).F:22Exhaust thermistor is open.F:23Exhaust thermistor has shorted.F:24Inlet thermistor is open (only appears in diagnostic test mode).F:25Inlet thermistor is shorted (only appears in diagnostic test mode).F:26Motor drive system failure.F:28Moisture sensor strip is open (only appears in diagnostic test mode).F:29Moisture sensor strip has shorted (only appears in diagnostic test mode).F:30Restricted air flow condition exists (only appears in diagnostic test mode).F:31Low voltage condition (less than 30V) detected on L2 (only appears in…F:50No voltage detected at the water valve relay (only appears in diagnostic test…F:70No communication between the machine control and the console electronics.F:71No communication between the machine control and the console electronics.F:72Console electronics failure (F:72 through F:78).F:73Console electronics failure (F:72 through F:78).F:74Console electronics failure (F:72 through F:78).F:75Console electronics failure (F:72 through F:78).F:76Console electronics failure (F:72 through F:78).F:77Console electronics failure (F:72 through F:78).F:78Console electronics failure (F:72 through F:78).L2Low or no line voltage detected (less than 50V) at installation.PFPower failure occurred while the dryer was running.

Service modes (4)

Customer-Focused Drying Mode Adjustment1
Diagnostic Test Mode1
Factory Default Reset1
Manual Load Test1. Dryer must be in standby mode (plugged in with all indicators off, or with only the Dry…

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